import java.io.IOException;
import java.io.InputStream;

/**
 * Project : XL-CD
 * Package : PACKAGE_NAME
 * Created by Willian.
 * Date  : 2016/3/17 15:00.
 */
public class MyInputStream extends InputStream {
    @Override
    public int read() throws IOException {
        System.out.println("read.");
        return 0;
    }
}
